package com.atguigu.chapter5.sink;

import com.alibaba.fastjson.JSON;
import com.atguigu.chapter5.source.WaterSensor;
import org.apache.flink.api.common.functions.MapFunction;
import org.apache.flink.api.common.functions.RuntimeContext;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.streaming.connectors.elasticsearch.ElasticsearchSinkFunction;
import org.apache.flink.streaming.connectors.elasticsearch.RequestIndexer;
import org.apache.flink.streaming.connectors.elasticsearch6.ElasticsearchSink;
import org.apache.http.HttpHost;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.Requests;
import org.elasticsearch.common.xcontent.XContentType;

import java.util.ArrayList;

/**
 * @ClassName: ESSinkDemo2
 * @Description:
 * @Author: kele
 * @Date: 2021/4/5 23:21
 **/
public class ESSinkDemo2 {

    public static void main(String[] args) {

        Configuration conf = new Configuration();
        conf.setInteger("rest.port",20000);

        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();

        env.setParallelism(2);

        ArrayList<HttpHost> list = new ArrayList<>();

        list.add(new HttpHost("hadoop162",9200));
        list.add(new HttpHost("hadoop163",9200));
        list.add(new HttpHost("hadoop164",9200));

        ElasticsearchSink.Builder<WaterSensor> ESBuilder = new ElasticsearchSink.Builder<>(list, new ElasticsearchSinkFunction<WaterSensor>() {
            @Override
            public void process(WaterSensor waterSensor, RuntimeContext runtimeContext, RequestIndexer requestIndexer) {

                IndexRequest index = Requests.indexRequest()
                        .index("senion")
                        .type("_doc")
                        .id("" + waterSensor.getId() + waterSensor.getTs())
                        .source(JSON.toJSONString(waterSensor), XContentType.JSON);

                requestIndexer.add(index);

            }
        });
                ESBuilder.setBulkFlushInterval(1000); //设置刷新间隔，
                ESBuilder.setBulkFlushMaxActions(3); //来x个数据刷新一次

        env.socketTextStream("hadoop162",9999)
                .map(new MapFunction<String, WaterSensor>() {
                    @Override
                    public WaterSensor map(String line) throws Exception {

                        String[] data = line.split(",");

                        WaterSensor waterSensor = new WaterSensor(data[0], Long.parseLong(data[1]), Integer.valueOf(data[2]));

                        return waterSensor;
                    }
                })
                .addSink(ESBuilder.build());

        try {
            env.execute();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

}
